package common.generic.demo1;

import lombok.Data;

import java.util.HashMap;
import java.util.Map;

/**
 * @author: kanggw
 * @date: 2022/3/15
 * @DESCRIPTION:
 */
@Data
public class Teacher extends Person{

    private String level;

    public static void main(String[] args) {
        int t = 1 << 16;
        int t2 = t - 1;
        System.out.println(Integer.toBinaryString(t)); //10000000000000000
        System.out.println(t2);
        System.out.println(Integer.toBinaryString(t2));

    }
}
